FileList f = new FileList(); project.addReference("dummy", f); f.setRefid(new Reference("dummy")); try { f.getDir(project); fail("Can make FileList a Reference to itself."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } try { f.getFiles(project); fail("Can make FileList a Reference to itself."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } // dummy1 --> dummy2 --> dummy3 --> dummy1 FileList f1 = new FileList(); project.addReference("dummy1", f1); f1.setRefid(new Reference("dummy2")); FileList f2 = new FileList(); project.addReference("dummy2", f2); f2.setRefid(new Reference("dummy3")); FileList f3 = new FileList(); project.addReference("dummy3", f3); f3.setRefid(new Reference("dummy1")); try { f1.getDir(project); fail("Can make circular reference."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } try { f1.getFiles(project); fail("Can make circular reference."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } // dummy1 --> dummy2 --> dummy3 // (which has the Project's basedir as root). f1 = new FileList(); project.addReference("dummy1", f1); f1.setRefid(new Reference("dummy2")); f2 = new FileList(); project.addReference("dummy2", f2); f2.setRefid(new Reference("dummy3")); f3 = new FileList(); project.addReference("dummy3", f3);
PatternSet p = new PatternSet(); project.addReference("dummy", p); p.setRefid(new Reference("dummy")); try { p.getIncludePatterns(project); fail("Can make PatternSet a Reference to itself."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } try { p.getExcludePatterns(project); fail("Can make PatternSet a Reference to itself."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } // dummy1 --> dummy2 --> dummy3 --> dummy1 PatternSet p1 = new PatternSet(); project.addReference("dummy1", p1); p1.setRefid(new Reference("dummy2")); PatternSet p2 = new PatternSet(); project.addReference("dummy2", p2); p2.setRefid(new Reference("dummy3")); PatternSet p3 = new PatternSet(); project.addReference("dummy3", p3); p3.setRefid(new Reference("dummy1")); try { p1.getIncludePatterns(project); fail("Can make circular reference."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } try { p1.getExcludePatterns(project); fail("Can make circular reference."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } // dummy1 --> dummy2 --> dummy3 // (which holds patterns "include" and "exclude") p1 = new PatternSet(); project.addReference("dummy1", p1); p1.setRefid(new Reference("dummy2")); p2 = new PatternSet(); project.addReference("dummy2", p2); p2.setRefid(new Reference("dummy3")); p3 = new PatternSet(); project.addReference("dummy3", p3);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/FileListTest.java File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/PatternSetTest.java
Method name: void testCircularReferenceCheck() Method name: void testCircularReferenceCheck()
Number of AST nodes: 32 Number of AST nodes: 32
1
FileList f = new FileList();
1
PatternSet p = new PatternSet();
2
        project.addReference("dummy", f);
2
        project.addReference("dummy", p);
3
        f.setRefid(new Reference("dummy"));
3
        p.setRefid(new Reference("dummy"));
4
        try {
4
        try {
5
            f.getDir(project);
5
            p.getIncludePatterns(project);
6
            fail("Can make FileList a Reference to itself.");
6
            fail("Can make PatternSet a Reference to itself.");
7
        } catch (BuildException be) {
7
        } catch (BuildException be) {
8
            assertEquals("This data type contains a circular reference.",
8
            assertEquals("This data type contains a circular reference.",
9
                         be.getMessage());
9
                         be.getMessage());
10
        }
10
        }
11
        try {
11
        try {
12
            f.getFiles(project);
12
            p.getExcludePatterns(project);
13
            fail("Can make FileList a Reference to itself.");
13
            fail("Can make PatternSet a Reference to itself.");
14
        } catch (BuildException be) {
14
        } catch (BuildException be) {
15
            assertEquals("This data type contains a circular reference.",
15
            assertEquals("This data type contains a circular reference.",
16
                         be.getMessage());
16
                         be.getMessage());
17
        }
17
        }
18
        // dummy1 --> dummy2 --> dummy3 --> dummy1
18
        // dummy1 --> dummy2 --> dummy3 --> dummy1
19
        FileList f1 = new FileList();
19
        PatternSet p1 = new PatternSet();
20
        project.addReference("dummy1", f1);
20
        project.addReference("dummy1", p1);
21
        f1.setRefid(new Reference("dummy2"));
21
        p1.setRefid(new Reference("dummy2"));
22
        FileList f2 = new FileList();
22
        PatternSet p2 = new PatternSet();
23
        project.addReference("dummy2", f2);
23
        project.addReference("dummy2", p2);
24
        f2.setRefid(new Reference("dummy3"));
24
        p2.setRefid(new Reference("dummy3"));
25
        FileList f3 = new FileList();
25
        PatternSet p3 = new PatternSet();
26
        project.addReference("dummy3", f3);
26
        project.addReference("dummy3", p3);
27
        f3.setRefid(new Reference("dummy1"));
27
        p3.setRefid(new Reference("dummy1"));
28
        try {
28
        try {
29
            f1.getDir(project);
29
            p1.getIncludePatterns(project);
30
            fail("Can make circular reference.");
30
            fail("Can make circular reference.");
31
        } catch (BuildException be) {
31
        } catch (BuildException be) {
32
            assertEquals("This data type contains a circular reference.",
32
            assertEquals("This data type contains a circular reference.",
33
                         be.getMessage());
33
                         be.getMessage());
34
        }
34
        }
35
        try {
35
        try {
36
            f1.getFiles(project);
36
            p1.getExcludePatterns(project);
37
            fail("Can make circular reference.");
37
            fail("Can make circular reference.");
38
        } catch (BuildException be) {
38
        } catch (BuildException be) {
39
            assertEquals("This data type contains a circular reference.",
39
            assertEquals("This data type contains a circular reference.",
40
                         be.getMessage());
40
                         be.getMessage());
41
        }
41
        }
42
        // dummy1 --> dummy2 --> dummy3
42
        // dummy1 --> dummy2 --> dummy3
43
        // (which has the Project's basedir as root).
43
        // (which holds patterns "include" and "exclude")
44
        f1 = new FileList();
44
        p1 = new PatternSet();
45
        project.addReference("dummy1", f1);
45
        project.addReference("dummy1", p1);
46
        f1.setRefid(new Reference("dummy2"));
46
        p1.setRefid(new Reference("dummy2"));
47
        f2 = new FileList();
47
        p2 = new PatternSet();
48
        project.addReference("dummy2", f2);
48
        project.addReference("dummy2", p2);
49
        f2.setRefid(new Reference("dummy3"));
49
        p2.setRefid(new Reference("dummy3"));
50
        f3 = new FileList();
50
        p3 = new PatternSet();
51
        project.addReference("dummy3", f3);
51
        project.addReference("dummy3", p3);
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)1.7
Clones locationClones are in different classes having the same super class
Number of node comparisons252
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements30
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)68.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    FileList f = new FileList();
    1
    FileList f = new FileList();
    1
    PatternSet p = new PatternSet();
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    fpVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    1
    PatternSet p = new PatternSet();
    2
    project.addReference("dummy", f);
    2
    project.addReference("dummy", f);
    2
    project.addReference("dummy", p);
    Differences
    Expression1Expression2Difference
    fpVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    2
    project.addReference("dummy", p);
    3
    f.setRefid(new Reference("dummy"));
    3
    f.setRefid(new Reference("dummy"));
    3
    p.setRefid(new Reference("dummy"));
    Differences
    Expression1Expression2Difference
    fpVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    3
    p.setRefid(new Reference("dummy"));
    4
    try
    4
    try
                                                                      
    5
    p.getIncludePatterns(project);
    Preondition Violations
    Unmatched statement p.getIncludePatterns(project); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement p.getIncludePatterns(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    5
    p.getIncludePatterns(project);
    5
    f.getDir(project);
    5
    f.getDir(project);
    Preondition Violations
    Unmatched statement f.getDir(project); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement f.getDir(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                              
    6
    fail("Can make FileList a Reference to itself.");
    6
    fail("Can make FileList a Reference to itself.");
    6
    fail("Can make PatternSet a Reference to itself.");
    Differences
    Expression1Expression2Difference
    "Can make FileList a Reference to itself.""Can make PatternSet a Reference to itself."LITERAL_VALUE_MISMATCH
    6
    fail("Can make PatternSet a Reference to itself.");
    7
    try
    7
    try
    8
    f.getFiles(project);
    8
    f.getFiles(project);
    8
    p.getExcludePatterns(project);
    Differences
    Expression1Expression2Difference
    getFilesgetExcludePatternsMETHOD_INVOCATION_NAME_MISMATCH
    fpVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression f.getFiles(project) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression p.getExcludePatterns(project) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression f.getFiles(project) is a void method call, and thus it cannot be parameterized
    Expression p.getExcludePatterns(project) is a void method call, and thus it cannot be parameterized
    Expression f cannot be unified with expression p , because common superclass org.apache.tools.ant.types.DataType does not declare member(s) public java.lang.String[] getFiles(org.apache.tools.ant.Project) , public java.lang.String[] getExcludePatterns(org.apache.tools.ant.Project)
    8
    p.getExcludePatterns(project);
    9
    fail("Can make FileList a Reference to itself.");
    9
    fail("Can make FileList a Reference to itself.");
    9
    fail("Can make PatternSet a Reference to itself.");
    Differences
    Expression1Expression2Difference
    "Can make FileList a Reference to itself.""Can make PatternSet a Reference to itself."LITERAL_VALUE_MISMATCH
    9
    fail("Can make PatternSet a Reference to itself.");
    10
    FileList f1 = new FileList();
    10
    FileList f1 = new FileList();
    10
    PatternSet p1 = new PatternSet();
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    f1p1VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    10
    PatternSet p1 = new PatternSet();
    11
    project.addReference("dummy1", f1);
    11
    project.addReference("dummy1", f1);
    11
    project.addReference("dummy1", p1);
    Differences
    Expression1Expression2Difference
    f1p1VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    11
    project.addReference("dummy1", p1);
    12
    f1.setRefid(new Reference("dummy2"));
    12
    f1.setRefid(new Reference("dummy2"));
    12
    p1.setRefid(new Reference("dummy2"));
    Differences
    Expression1Expression2Difference
    f1p1VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    12
    p1.setRefid(new Reference("dummy2"));
    13
    FileList f2 = new FileList();
    13
    FileList f2 = new FileList();
    13
    PatternSet p2 = new PatternSet();
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    f2p2VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    13
    PatternSet p2 = new PatternSet();
    14
    project.addReference("dummy2", f2);
    14
    project.addReference("dummy2", f2);
    14
    project.addReference("dummy2", p2);
    Differences
    Expression1Expression2Difference
    f2p2VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    14
    project.addReference("dummy2", p2);
    15
    f2.setRefid(new Reference("dummy3"));
    15
    f2.setRefid(new Reference("dummy3"));
    15
    p2.setRefid(new Reference("dummy3"));
    Differences
    Expression1Expression2Difference
    f2p2VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    15
    p2.setRefid(new Reference("dummy3"));
    16
    FileList f3 = new FileList();
    16
    FileList f3 = new FileList();
    16
    PatternSet p3 = new PatternSet();
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    f3p3VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    16
    PatternSet p3 = new PatternSet();
    17
    project.addReference("dummy3", f3);
    17
    project.addReference("dummy3", f3);
    17
    project.addReference("dummy3", p3);
    Differences
    Expression1Expression2Difference
    f3p3VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    17
    project.addReference("dummy3", p3);
    18
    f3.setRefid(new Reference("dummy1"));
    18
    f3.setRefid(new Reference("dummy1"));
    18
    p3.setRefid(new Reference("dummy1"));
    Differences
    Expression1Expression2Difference
    f3p3VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    18
    p3.setRefid(new Reference("dummy1"));
    19
    try
    19
    try
                                                                          
    20
    p1.getIncludePatterns(project);
    Preondition Violations
    Unmatched statement p1.getIncludePatterns(project); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement p1.getIncludePatterns(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    20
    p1.getIncludePatterns(project);
    20
    f1.getDir(project);
    20
    f1.getDir(project);
    Preondition Violations
    Unmatched statement f1.getDir(project); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement f1.getDir(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                                  
    21
    fail("Can make circular reference.");
    21
    fail("Can make circular reference.");
    22
    try
    22
    try
    23
    f1.getFiles(project);
    23
    f1.getFiles(project);
    23
    p1.getExcludePatterns(project);
    Differences
    Expression1Expression2Difference
    getFilesgetExcludePatternsMETHOD_INVOCATION_NAME_MISMATCH
    f1p1VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression f1.getFiles(project) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression p1.getExcludePatterns(project) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression f1.getFiles(project) is a void method call, and thus it cannot be parameterized
    Expression p1.getExcludePatterns(project) is a void method call, and thus it cannot be parameterized
    Expression f1 cannot be unified with expression p1 , because common superclass org.apache.tools.ant.types.DataType does not declare member(s) public java.lang.String[] getFiles(org.apache.tools.ant.Project) , public java.lang.String[] getExcludePatterns(org.apache.tools.ant.Project)
    23
    p1.getExcludePatterns(project);
    24
    fail("Can make circular reference.");
    24
    fail("Can make circular reference.");
    25
    f1 = new FileList();
    25
    f1 = new FileList();
    25
    p1 = new PatternSet();
    Differences
    Expression1Expression2Difference
    f1p1VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    25
    p1 = new PatternSet();
    26
    project.addReference("dummy1", f1);
    26
    project.addReference("dummy1", f1);
    26
    project.addReference("dummy1", p1);
    Differences
    Expression1Expression2Difference
    f1p1VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    26
    project.addReference("dummy1", p1);
    27
    f1.setRefid(new Reference("dummy2"));
    27
    f1.setRefid(new Reference("dummy2"));
    27
    p1.setRefid(new Reference("dummy2"));
    Differences
    Expression1Expression2Difference
    f1p1VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    27
    p1.setRefid(new Reference("dummy2"));
    28
    f2 = new FileList();
    28
    f2 = new FileList();
    28
    p2 = new PatternSet();
    Differences
    Expression1Expression2Difference
    f2p2VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    28
    p2 = new PatternSet();
    29
    project.addReference("dummy2", f2);
    29
    project.addReference("dummy2", f2);
    29
    project.addReference("dummy2", p2);
    Differences
    Expression1Expression2Difference
    f2p2VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    29
    project.addReference("dummy2", p2);
    30
    f2.setRefid(new Reference("dummy3"));
    30
    f2.setRefid(new Reference("dummy3"));
    30
    p2.setRefid(new Reference("dummy3"));
    Differences
    Expression1Expression2Difference
    f2p2VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    30
    p2.setRefid(new Reference("dummy3"));
    31
    f3 = new FileList();
    31
    f3 = new FileList();
    31
    p3 = new PatternSet();
    Differences
    Expression1Expression2Difference
    f3p3VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    31
    p3 = new PatternSet();
    32
    project.addReference("dummy3", f3);
    32
    project.addReference("dummy3", f3);
    32
    project.addReference("dummy3", p3);
    Differences
    Expression1Expression2Difference
    f3p3VARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FileListorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    32
    project.addReference("dummy3", p3);
    Precondition Violations (20)
    Row Violation
    1Unmatched statement p.getIncludePatterns(project); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched statement p.getIncludePatterns(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    3Unmatched statement f.getDir(project); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Unmatched statement f.getDir(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    5Expression f.getFiles(project) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression p.getExcludePatterns(project) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression f.getFiles(project) is a void method call, and thus it cannot be parameterized
    8Expression p.getExcludePatterns(project) is a void method call, and thus it cannot be parameterized
    9Expression f cannot be unified with expression p , because common superclass org.apache.tools.ant.types.DataType does not declare member(s) public java.lang.String[] getFiles(org.apache.tools.ant.Project) , public java.lang.String[] getExcludePatterns(org.apache.tools.ant.Project)
    10Unmatched statement p1.getIncludePatterns(project); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11Unmatched statement p1.getIncludePatterns(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    12Unmatched statement f1.getDir(project); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    13Unmatched statement f1.getDir(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    14Expression f1.getFiles(project) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression p1.getExcludePatterns(project) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression f1.getFiles(project) is a void method call, and thus it cannot be parameterized
    17Expression p1.getExcludePatterns(project) is a void method call, and thus it cannot be parameterized
    18Expression f1 cannot be unified with expression p1 , because common superclass org.apache.tools.ant.types.DataType does not declare member(s) public java.lang.String[] getFiles(org.apache.tools.ant.Project) , public java.lang.String[] getExcludePatterns(org.apache.tools.ant.Project)
    19Clone fragment #1 returns variables f, f1, f3 , while Clone fragment #2 returns variables p, p1, p3
    20The refactoring of the clones is infeasible, because classes org.apache.tools.ant.types.FileListTest and org.apache.tools.ant.types.PatternSetTest do not have a common superclass